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authorGyan Doshi <ffmpeg@gyani.pro>2018-12-08 15:33:57 +0530
committerGyan Doshi <ffmpeg@gyani.pro>2018-12-08 15:33:57 +0530
commitd91197c610e10cf4360990ac5a5bcdb605b779b2 (patch)
treec79600ccc7c9c6dce8dfd5042d0ab658890565a1 /doc
parent6b1c4ce8cf600f6bd7e48b6971527b56a31b9fab (diff)
doc: vapoursynth
Add entry in external library list and demuxers.
Diffstat (limited to 'doc')
-rw-r--r--doc/demuxers.texi16
-rw-r--r--doc/general.texi11
2 files changed, 27 insertions, 0 deletions
diff --git a/doc/demuxers.texi b/doc/demuxers.texi
index 0bb3c5eb34..2b0b37b061 100644
--- a/doc/demuxers.texi
+++ b/doc/demuxers.texi
@@ -732,4 +732,20 @@ Example: convert the captions to a format most players understand:
ffmpeg -i http://www.ted.com/talks/subtitles/id/1/lang/en talk1-en.srt
@end example
+@section vapoursynth
+
+Vapoursynth wrapper.
+
+Due to security concerns, Vapoursynth scripts will not
+be autodetected so the input format has to be forced. For ff* CLI tools,
+add @code{-f vapoursynth} before the input @code{-i yourscript.vpy}.
+
+This demuxer accepts the following option:
+@table @option
+@item max_script_size
+The demuxer buffers the entire script into memory. Adjust this value to set the maximum buffer size,
+which in turn, acts as a ceiling for the size of scripts that can be read.
+Default is 1 MiB.
+@end table
+
@c man end DEMUXERS
diff --git a/doc/general.texi b/doc/general.texi
index 36e5f91d89..2bc33d180d 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -242,6 +242,17 @@ Go to @url{http://www.twolame.org/} and follow the
instructions for installing the library.
Then pass @code{--enable-libtwolame} to configure to enable it.
+@section VapourSynth
+
+FFmpeg can read VapourSynth scripts as input. To enable support, pass
+@code{--enable-vapoursynth} to configure. Vapoursynth is detected via
+@code{pkg-config}. Versions 42 or greater supported.
+See @url{http://www.vapoursynth.com/}.
+
+Due to security concerns, Vapoursynth scripts will not
+be autodetected so the input format has to be forced. For ff* CLI tools,
+add @code{-f vapoursynth} before the input @code{-i yourscript.vpy}.
+
@section WavPack
FFmpeg can make use of the libwavpack library for WavPack encoding.